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Assembly Biosciences, Inc. (ASMB)

Assembly Biosciences, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Assembly Biosciences, Inc. (ASMB) is a Biotechnology company based in US with a market capitalization of $441.9M. Revenue grew 153.5% year-over-year and free cash flow was negative at -$41.2M. This page tracks ASMB's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 73 employees · IPO Dec 17, 2010

Valuation

Valuation & price

$28.65 · as of May 17, 2026 · -25.6% vs 52w high

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P/E ratio

Latest-FY diluted EPS

2.14

P/B ratio

Market cap ÷ book equity

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Dividend yield

Price — last 12 months

$37.79$27.86$17.93Jul 25Dec 25Jul 26Jul 7, 25$18.56Jul 9, 25$18.72Jul 11, 25$18.75Jul 15, 25$18.64Jul 17, 25$19.30Jul 21, 25$18.25Jul 23, 25$18.33Jul 25, 25$18.55Jul 29, 25$18.36Jul 31, 25$17.93Aug 4, 25$19.40Aug 6, 25$19.43Aug 11, 25$23.60Aug 13, 25$24.75Aug 15, 25$25.44Aug 19, 25$25.22Aug 21, 25$26.65Aug 25, 25$26.62Aug 27, 25$25.89Aug 29, 25$24.70Sep 3, 25$23.90Sep 5, 25$23.82Sep 9, 25$23.15Sep 11, 25$22.59Sep 16, 25$20.55Sep 18, 25$22.27Sep 22, 25$24.78Sep 24, 25$25.66Sep 26, 25$24.67Sep 30, 25$25.60Oct 2, 25$23.70Oct 6, 25$24.48Oct 8, 25$25.50Oct 10, 25$26.51Oct 14, 25$28.39Oct 16, 25$29.08Oct 21, 25$28.41Oct 23, 25$27.50Oct 27, 25$29.80Oct 29, 25$30.99Oct 31, 25$31.05Nov 4, 25$31.43Nov 6, 25$31.21Nov 10, 25$32.07Nov 12, 25$35.85Nov 14, 25$36.71Nov 18, 25$35.89Nov 20, 25$36.73Nov 25, 25$37.42Nov 28, 25$37.79Dec 2, 25$33.99Dec 4, 25$35.27Dec 8, 25$35.38Dec 10, 25$35.87Dec 12, 25$36.10Dec 16, 25$33.50Dec 18, 25$32.35Dec 22, 25$36.18Dec 24, 25$34.00Dec 29, 25$33.32Jan 2, 26$33.74Jan 6, 26$30.58Jan 8, 26$31.56Jan 12, 26$30.93Jan 14, 26$32.04Jan 16, 26$29.37Jan 21, 26$26.35Jan 23, 26$28.01Jan 27, 26$27.52Jan 29, 26$25.71Feb 2, 26$26.37Feb 4, 26$27.05Feb 9, 26$26.90Feb 11, 26$27.36Feb 13, 26$26.66Feb 18, 26$28.89Feb 20, 26$28.75Feb 24, 26$29.64Feb 26, 26$29.59Mar 2, 26$29.68Mar 4, 26$29.79Mar 6, 26$28.27Mar 10, 26$29.60Mar 12, 26$28.30Mar 17, 26$28.53Mar 19, 26$27.51Mar 23, 26$28.58Mar 25, 26$28.67Mar 27, 26$27.70Mar 31, 26$27.75Apr 2, 26$29.01Apr 7, 26$28.53Apr 9, 26$29.85Apr 13, 26$29.24Apr 15, 26$29.81Apr 17, 26$29.24Apr 22, 26$28.30Apr 24, 26$27.87Apr 28, 26$27.00Apr 30, 26$26.95May 4, 26$27.82May 6, 26$31.36May 8, 26$29.74May 12, 26$30.82May 14, 26$30.30May 18, 26$27.42May 20, 26$26.26May 22, 26$28.34May 28, 26$27.73Jun 1, 26$26.92Jun 3, 26$24.57Jun 5, 26$22.90Jun 9, 26$22.72Jun 11, 26$22.53Jun 15, 26$23.34Jun 17, 26$24.15Jun 22, 26$25.15Jun 24, 26$25.62Jun 26, 26$26.74Jul 2, 26$27.74
$17.9052-week range$38.50
Loading valuation history…

Fundamentals

Key fundamentals

$441.9M

Market cap

153.5%

Revenue growth (YoY)

99.8%

Gross margin

-$41.2M

Free cash flow (USD)

-$245.5M

Net debt

Net cash position

86.7%

Share dilution

1/5

Graham criteria passed

Defensive-investor screen

Healthcare

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$0.00FY 2017$9.0MFY 2018$14.8MFY 2019$16.0MFY 2020$79.1MFY 2021$6.3MFY 2022$0.00FY 2023$7.2MFY 2024$28.5MFY 2025$72.3M
$0$72.3M

Free cash flow by year

2016 → 2025

FY 2016$-35.0MFY 2017$995.5KFY 2018$-65.3MFY 2019$-85.6MFY 2020$-65.2MFY 2021$-96.5MFY 2022$-84.6MFY 2023$22.5MFY 2024$-51.1MFY 2025$-41.2M
-$35M-$41.2M

Gross margin by year

2021 → 2025

FY 2021100.0%FY 2023-582.7%FY 2024100.0%FY 202599.8%
100.0%99.8%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

1

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 7, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $674Bjorkquist Jeanette M · PFO and PAO · $674.3Jun 18, 2026Filing
  • 8-K eventStockholder Meeting ResultsJun 5, 2026Filing
  • 8-K eventSecurities OfferingMay 26, 2026Filing
  • 8-K eventClinical Development ExpansionMay 22, 2026Filing
  • 8-K eventEarnings ReleaseMay 7, 2026Filing
  • Quarterly report10-Q FiledMay 7, 2026Filing

Questions

Frequently asked questions

What is Assembly Biosciences, Inc.'s market cap?

Assembly Biosciences, Inc. (ASMB) has a market capitalization of $441.9M.

What is ASMB's P/E ratio?

A meaningful P/E ratio is not available for ASMB — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is ASMB's price-to-book (P/B) ratio?

ASMB trades at 2.14 times book value per share.

Are insiders buying ASMB stock?

SEC Form 4 filings show no open-market insider buys at Assembly Biosciences, Inc. in the last 90 days (1 sell).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

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News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.